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Chapter 15/Beginning of Chapter/part2app/dist/server/data/sql_queries.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.insertResult = exports.insertCalculation = exports.insertPerson = exports.queryByNameSql = exports.queryAllSql = void 0;
+const baseSql = `
+    SELECT Results.*, name, age, years, nextage FROM Results
+    INNER JOIN People ON personId = People.id
+    INNER JOIN Calculations ON calculationId = Calculations.id`;
+const endSql = `ORDER BY id DESC LIMIT $limit`;
+exports.queryAllSql = `${baseSql} ${endSql}`;
+exports.queryByNameSql = `${baseSql} WHERE name = $name ${endSql}`;
+exports.insertPerson = `
+    INSERT INTO People (name)
+    SELECT $name
+    WHERE NOT EXISTS (SELECT name FROM People WHERE name = $name)`;
+exports.insertCalculation = `
+    INSERT INTO Calculations (age, years, nextage)
+    SELECT $age, $years, $nextage
+    WHERE NOT EXISTS
+	    (SELECT age, years, nextage FROM Calculations 
+            WHERE age = $age AND years = $years AND nextage = $nextage)`;
+exports.insertResult = `
+    INSERT INTO Results (personId, calculationId)
+    SELECT People.id as personId, Calculations.id as calculationId from People
+	CROSS JOIN Calculations
+	    WHERE People.name = $name 
+		AND Calculations.age = $age 
+		AND Calculations.years = $years
+		AND Calculations.nextage = $nextage`;